Materials and Construction Aqueous nitric acid is stored in __________ vessel. Plain carbon steel Stainless steel Thermosetting plastic material Cast iron Plain carbon steel Stainless steel Thermosetting plastic material Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The specific gravity of coal depends mainly on its __________ content. Carbon Moisture Ash Volatile matter Carbon Moisture Ash Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed cutting tool steels contain about __________ percent of tungsten. 50-55 30-35 43990 18-20 50-55 30-35 43990 18-20 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Acidic refractory Rubber Karbate Lead or acid-proof bricks Acidic refractory Rubber Karbate Lead or acid-proof bricks ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. Acetic acid None of these Concentrated H₂SO₄ Dilute HCI Acetic acid None of these Concentrated H₂SO₄ Dilute HCI ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most common stainless steel type 316, which is highly resistant to corrosion contains None of these 20-22% Cr, and 8-10% Ni 16-13% Cr 10-14% Ni and 2-3% Mo 2-4% Cr, 22% NI and 2-4% Mo None of these 20-22% Cr, and 8-10% Ni 16-13% Cr 10-14% Ni and 2-3% Mo 2-4% Cr, 22% NI and 2-4% Mo ANSWER DOWNLOAD EXAMIANS APP
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